Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

2. Atoms & Elements

Periodic Table: Group Names

General Chemistry

2. Atoms & Elements

Periodic Table: Group Names

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Multiple Choice

Which Group 1 element exhibits slightly different chemistry from the others in its group?

Potassium

Sodium

Rubidium

Lithium

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Verified step by step guidance

Understand that Group 1 elements are the alkali metals, which include Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr). They generally have similar chemical properties due to having one electron in their outermost shell.

Recognize that Lithium is unique among the Group 1 elements because it is the smallest atom in the group and has a higher charge density, which affects its chemical behavior.

Note that Lithium tends to form compounds that are more covalent in character compared to the other alkali metals, which typically form more ionic compounds.

Understand that Lithium's small size and high ionization energy lead to differences such as forming a stable nitride (Li3N), which other Group 1 elements do not form under normal conditions.

Conclude that these differences in atomic size, ionization energy, and bonding tendencies make Lithium exhibit slightly different chemistry from the other Group 1 elements.